Great Black-Backed Gull BLUE [JH5R] / white

06.07 2005Herreholmen, Lyngdal, Vest-Agder, Norway 58°02'02"N 006°57'51"E poussin.
13.02 2006 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 222
31.12 2006 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 543
16.01 2007 Wimereux, Pas-de-Calais, France 50°46'00"N 001°36'00"E 559 879
16.02 2007 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 590
24.02 2007 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 598
26.09 2007 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 812
27.11 2007 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 874
16.05 2008 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 1045
21.09 2008 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 1173
22.12 2008 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E 1265
07.09 2009 Le Portel beach, Pas-de-Calais, France 50°42'32"N 001°34'15"E 1524
23.08 2010 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'36"N 001°34'48"E 1874

Great Black-Backed Gull - BLACK [J22Y] / white

Photo: by J.M. Sauvage

04.07 2007 Poussin Langøya, Trysfjorden, Søgne, Vest-Agder, Norway 58°01'14"N 007°41'59"E
05.10 2007 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
01.11 2007 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
08.11 2007 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E

29.11 2007 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
28.12 2007 Outreau, Pas-de-Calais, France 50°41'48"N 001°35'28"E 177
12.05 2008 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
01.08 2008 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
26.10 2008 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
03.11 2008 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
28.11 2008 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E

Great Black-Backed Gull - [JE4H] / white

Photo: by J.M. Sauvage

30.06 2003 Store Hillegarden, Lindesnes, Vest-Agder, Norway poussin57°59'19"N 007°05'30"E
17.08 2003 Hanstholm havn, Nordjylland, Denmark 57°07'28"N 008°35'36"E
17.08 2003t Klitmøller, Nordjylland, Denmark 57°02'35"N 008°28'40"E
19.08 2003Klitmøller, Nordjylland, Denmark 57°02'35"N 008°28'40"E
27.08 2003Klitmøller, Nordjylland, Denmark 57°02'35"N 008°28'40"E
13.10 2003 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
16.10 2003 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
17.10 2003Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
26.10 2003 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
29.12 2003 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
03.01 2004Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
03.06 2004 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
05.08 2004Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
12.08 2004Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
13.08 2004 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
25.08 2004Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
17.02 2005Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
21.06 2005 Hardelot-Plage, Pas-de-Calais, France 50°38'01"N 001°34'29"E
27.07 2005 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
21.08 2005Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
01.09 2005Le Portel, Pas-de-Calais, France 50°43'10"N 001°34'38"E
02.09 2005Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
02.10 2005 Wimereux, Pas-de-Calais, France 50°46'00"N 001°36'00"E
17.10 2005Hardelot-Plage, Pas-de-Calais, France 50°38'01"N 001°34'29"E
28.11 2005Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
10.08 2006Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
23.08 2006Le Portel, Pas-de-Calais, France 50°43'10"N 001°34'38"E
05.10 2006Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
20.11 2006Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
05.01 2007Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
01.09 2007 Le Portel, Pas-de-Calais, France 50°43'10"N 001°34'38"
02.09 2007Le Portel, Pas-de-Calais, France 50°43'10"N 001°34'38"E
05.09 2007Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
23.09 2007 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
24.10 2007Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
07.01 2008Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
31.08 2008Le Portel beach, Pas-de-Calais, France 50°42'18"N 001°34'01"E
01.09 2008 Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
25.10 2008 Le Portel beach, Pas-de-Calais, France 50°42'18"N 001°34'01"E
27.10 2008Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
24.12 2008Wimereux, Pas-de-Calais, France 50°46'00"N 001°36'00"E
02.09 2009Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
04.09 2009Boulogne-sur-Mer Port, Pas-de-Calais, France 50°43'16"N 001°34'54"E
15.09 2009Boulogne-sur-Mer, Pas-de-Calais, France 50°43'40"N 001°35'16"E
12.08 2010Le-Portel, Pas-de-Calais, France 50°43'00"N 001°34'00"E

Edit: ring info now available.

Caspian Gull (Larus cachinnans), 1st calendar year
Barneveld, Waste dump, August 11, 2010. Green XTAV, Hiddensee EA163609. First-calendar year Caspian gull. Initial thoughts were that this is a hybrid between Caspian Gull larus cachinnans and European Herring Gull larus argentatus.
See also these flight shots and a view of the tail pattern.
(Ring info: June 14, 2010, Sedlitz, Oberspreewald-Lausitz, Brandenburg, Germany. Age: pullus.)

Pontische Meeuw (Larus cachinnans), 1ste kalenderjaar
Vuilnisbelt Barneveld, 11 augustus 2010. Groen XTAV, Hiddensee EA163609. Eerste-kalenderjaar Pontische Meeuw, mogelijke hybride tussen Pontische Meeuw larus cachinnans Zilvermeeuw larus argentatus.
Zie ook deze vluchtfoto's en het staartpatroon.
(Ringdatum: 14 juni 2010, Sedlitz, Oberspreewald-Lausitz, Brandenburg, Duitsland. Leeftijd: pullus.)